During the year of 2018, there were 340 mass shootings occurred in the United States; There were 373 people died and 1347 people injured in mass shootings. Based on the total number of deaths and injuries, Pompano Beach (Parkland) was most impacted city by shootings, while the state of California had the largest total number of deaths and injuries among all the states. The worst two mass shootings happened on February 14, 2018 and June 10, 2018.
Here is a summary table of mass shootings information by state where 20 or more people either died or injured in mass shootings during 2018:
| state | deaths | injured | total |
|---|---|---|---|
| California | 50 | 136 | 186 |
| Florida | 48 | 132 | 180 |
| Illinois | 21 | 150 | 171 |
| Pennsylvania | 35 | 63 | 98 |
| Texas | 29 | 62 | 91 |
| Tennessee | 19 | 68 | 87 |
| Alabama | 12 | 55 | 67 |
| Louisiana | 15 | 50 | 65 |
| Missouri | 12 | 52 | 64 |
| Ohio | 13 | 46 | 59 |
| New Jersey | 4 | 54 | 58 |
| New York | 5 | 53 | 58 |
| North Carolina | 14 | 37 | 51 |
| Maryland | 13 | 31 | 44 |
| Michigan | 10 | 28 | 38 |
| Indiana | 10 | 27 | 37 |
| Colorado | 9 | 27 | 36 |
| Georgia | 3 | 33 | 36 |
| Kentucky | 7 | 25 | 32 |
| District of Columbia | 2 | 23 | 25 |
| Arkansas | 7 | 17 | 24 |
| South Carolina | 5 | 19 | 24 |
| Oklahoma | 2 | 19 | 21 |
According to the data, there were 23 states where mass shootings caused 20 or more people either died or injured. The worst mass shootings happened in California with 50 people lost their lives and 136 got injured from the incidents. Two similar states in terms of mass shooting incidents are Florida and Illinois with 48 and 21 people either died or injured from shootings. Another two states with large casualties in mass shootings are Pennsylvania and Texas with 35 and 29 people died from mass shootings.
The worst incident of the year happened on February 14, 2018 at 5901 Pine Island Rd in Pompano Beach (Parkland), Florida. The exact location of the incident is (26.3107774, -80.2532249). 17 people died from the incident, which is the highest among all the other incidents happened in the U.S. during 2018. 17 got injured from the incident, and there were 34 people either died or got injured from the incident. For more information about this incident please click this link.
Most mass shooting incidents happened in east part of the U.S. and in the state of California.
Mass shooting incidents tend to happen in densely populated areas.
This graph shows the total casualties of mass shootings by state where 60 or more people either died or injured in mass shootings during 2018:
Point encoding was chosen because the number of casualties can be quickly identified in this encoding. This helped me to identify the state with the highest casualties in mass shootings.
As can be seen from the graph:
The state of California suffered the most from mass shooting incidents.
Expect California and Texas, all the other states with casualties more than 60 people are all in the east part of the U.S.